MH
Margaret Harrison — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this Margaret Harrison across the 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Harrison |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Waukegan |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Benton Township |
| Est. Birth Year | ~1929 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Lucille Harrison | Daughter | — | 10 | ~1930 |
| Ralph Harrison | Son | — | 11 | ~1929 |
| Virginia Harrison | Daughter | — | 13 | ~1927 |
| Margaret Harrison | Daughter | — | 11 | ~1929 |
| Helen Harrison | Spouse | — | 37 | ~1903 |
| Ralph Harrison | Head | — | 44 | ~1896 |
| Richard Harrison | Son | — | 2 | ~1938 |
Census Appearances
1930
Lake, Illinois
Daughter, age
Lake, Illinois · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Margaret G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lake-County, Illinois
Daughter, age 11
Lake-County, Illinois · implied b. ~1929 — 7 household members
| Surname | Harrison |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Waukegan |
| 1935 Residence (County) | Lake |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Margaret Harrison across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Harrison
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Ralph Harrison
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Harrison
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Harrison
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Harrison
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00828-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Kerpan | 49 | Wife | — | Croatia |
| 42 | Joseph Kerpan | 21 | Son | Clerk | Illinois |
| 43 | Yolanda Kerpan | 18 | Daughter | — | Illinois |
| 44 | Daniel Kerpan | 17 | Son | — | Illinois |
| 45 | Gary Kerpan | 14 | Son | — | Illinois |
| 46 | Michael Kerpan | 12 | Son | — | Illinois |
| 47 | John Anderson | 70 | Head | Laborer | Sweden |
| 48 | Ingeborg Anderson | 52 | Wife | Housekeeper | Sweden |
| 49 | George Richardson | 50 | Head | — | Indiana |
| 50 | Mae Richardson | 42 | Wife | Sewing | Illinois |
| 51 | Eloise Richardson | 23 | Daughter | Clerk | Indiana |
| 52 | Wendell Richardson | 10 | Son | — | Illinois |
| 53 | Laura Bruett | 21 | Daughter | — | Illinois |
| 54 | Robert Bruett | 25 | Son | Mechanic | Illinois |
| 55 | Robert Jr Bruett | 2 | Grandson | — | Illinois |
| 56 | Hans Ronne | 62 | Head | Shipping Clerk | Denmark |
| 57 | Ellen Ronne | 62 | Wife | — | Sweden |
| 58 | Svea Ronne | 20 | Son | Clerk | Illinois |
| 59 | Myrtle Ronne | 17 | Daughter | — | Illinois |
| 60 | Lawrence Amann | 73 | Head | — | Illinois |
| 61 | Margaret Amann | 60 | Wife | — | Germany |
| 62 | Peter Amann | 20 | Son | Machine Operator | Illinois |
| 63 | Hattie Amann | 15 | Daughter | — | Illinois |
| 64 | Ralph Harrison | 44 | Head | Laborer | Illinois |
| 65 | Helen Harrison | 37 | Wife | — | Illinois |
| 66 | Virginia Harrison | 13 | Daughter | — | Illinois |
| 67 | Ralph Jr Harrison | 11 | Son | — | Illinois |
| 68 | Lucille Harrison | 10 | Daughter | — | Illinois |
| 69 | Margaret Harrison THIS PERSON | 11 | Daughter | — | Illinois |
| 70 | Richard Harrison | 2 | Son | — | Illinois |
| 71 | Charles Meyer | 50 | Head | — | West Virginia |
| 72 | Almer Meyer | 29 | Son | Laborer | Montana |
| 73 | Orval Meyer | 27 | Son | Laborer | North Dakota |
| 74 | Julius Gross | 33 | Head | Machinist | Germany |
| 75 | Erna Gross | 32 | Wife | — | Poland |
| 76 | Eugene Gross | 8 | Son | — | Illinois |
| 77 | Margaret Gross | 2 | Daughter | — | Illinois |
| 78 | Jack Kerpan | 27 | Head | Chemist Helper | Illinois |
| 79 | Agnes Kerpan | 23 | Wife | — | Illinois |
| 80 | Jack Kerpan | 2 | Son | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)